Directory: pub/cdf/apps/utils Most files here are .zip files. To handle them on your PC you need the self-extracting pkz204g.exe or alternatively unz511x3.exe. They are available via anonymous ftp from oak.oakland.edu (141.210.10.117) in the /SimTel/msdos/zip directory or garbo.uwasa.fi (128.214.87.1) in /pc/arcers. For more details of .ZIP and other file formats, please read the file README.file-formats found in /pub/cdf/apps. CHECKCDF.ZIP Recursively search a directory tree for CDFs (MSDOS/UNIX/VMS) Opens files and samples data to verify a valid CDF. SUBSET.ZIP CDFsubset creates a subset CDF or binary file from an existing CDF. -- If you have any questions, comments, or suggestions about this directory, please feel free to send mail to: mathews@nssdc.gsfc.nasa.gov